Recall that chapman and chapman 1967 studied how experienced...

Recall that Chapman and Chapman (1967) studied how experienced clinical psychologists and college students would interpret individuals' responses to the Draw-a-Person test, which often is used to diagnose psychiatric disorders. Results showed that ________ perceived illusory correlations between individuals' psychological disorders and their drawings. only the clinicians neither the students nor the clinicians only the students both the students and the clinicians

Transcript

00:01 Okay, so we've got a list of scores of parents.

00:04 So parents have been asked to tell a story about pictures.

00:10 And those stories that they've told have then been given a score out of 10 about whether those stories that exhibit the parent has a positive relationship with their child or not.

00:21 And so i would say the answer to a is what would you assume in the experimental hypothesis to be behind this study? in words, you know, i think it would be something like parents of schizophrenic children have a less positive relationship.

00:44 I'm not saying that, but i think that's what the sort of hypothesis behind the study is, the less good relationship with their child.

01:00 And i think in terms of staty stuff, i would say that we're taking the null hypothesis to be that the score on this test for i don't really like that they've called it normal and schizophrenic so i'm going to say like non -schizophrenic the mean for that is equal to the mean for schizophrenic children and the alternative hypothesis which is sort of the one that we're trying to show is probably that the normal score is higher than the non -schizophrenic score i did myself there the non -scriptrophonic score is higher than the schizophrenic score and then we can test this hypothesis by computing the mean for the non -s schizophrenic children, well, parents, i should say.

01:44 And that turns out to be 3 .55.

01:48 The mean for the schizophrenic children, the parents, again, turns out to be 2 .1.

01:53 The standard deviation for the non -schizophrenic children parents is a 1 .88.

01:58 The standard deviation for the schizophrenic parents, well, parents are schizophrenic children.

02:03 But, yeah, i hope you know what i mean...

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